/
main.rs
46 lines (38 loc) · 1.38 KB
/
main.rs
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use clap::{crate_authors, crate_version, App, Arg};
use color_eyre::eyre::{ContextCompat, Result, WrapErr};
use rayon::prelude::*;
use std::io::{self, stdin, stdout, BufRead, BufWriter, Write};
use strsim::levenshtein;
fn main() {
if let Err(err) = try_main() {
eprintln!("{:?}", err);
std::process::exit(1);
}
}
fn try_main() -> Result<()> {
color_eyre::install()?;
let matches = App::new("similar-sort")
.version(crate_version!())
.author(crate_authors!())
.about("works like `sort`, but sorts according to Levenshtein distance instead of alphanumerically")
.arg(
Arg::with_name("target")
.value_name("TARGET")
.help("sort according to distance from this string")
.required(true)
).get_matches();
let target = matches.value_of("target").context(
"could not get the target value. This is an internal error and should be reported.",
)?;
let mut lines: Vec<String> = stdin()
.lock()
.lines()
.collect::<io::Result<Vec<String>>>()
.context("could not read lines from stdin")?;
lines.par_sort_by_key(|candidate| levenshtein(target, candidate));
let mut out = BufWriter::new(stdout());
for candidate in lines {
writeln!(out, "{}", candidate).context("could not write to stdout")?;
}
Ok(())
}